Pedogenic response to Holocene landscape evolution in the forest-steppe zone of the Russian Plain

Kurbanova, F.; Makeev, A.; Aseyeva, E.; Kust, P.; Khokhlova, O.; Puzanova, T.; Sverchkova, A.; Kozmirchuk, I.

Авторы: Kurbanova Fatima, Makeev Alexander, Aseyeva Elena, Kust Pavel, Khokhlova Olga, Puzanova Tatiana, Sverchkova Alena, Kozmirchuk Igor
Журнал: Catena
Том: 220
Год издания: 2023
Издательство: CATENA Verlag
Местоположение издательства: Germany
Первая страница: 1
Последняя страница: 22
Номер статьи: 106675
DOI: 10.1016/j.catena.2022.106675
Аннотация: Soils buried under five defensive ramparts of the Early Iron and Middle Ages were studied in the forest-steppezone of the Russian Plain (Lipetsk region, Russia). The time of the burial differs from each other for hundredyears allowing studying variation of soil properties based on short-term chronosequences within these ranges andreconstructing the comparatively short climatic trends. Similar topographic positions, particle-size distribution,bulk elemental composition, and major morphological features were the base for comparing buried and surfacesoils, aiming to link the differences in the pedofeatures with climatic fluctuations. The studied soils displaypolygenetic features that were formed under forest (clay cutans) or steppe (carbonate neoformations, mollichorizons) environments. Generally, the Early Iron Age environment was similar to the modern one, which isconfirmed by the similarity between the soil buried ~ 2500 yrs BP and the surface soils (Greyzemic LuvicPhaeozems). The detailed chronosequence allows distinguishing alternating humid and arid phases during thestudied time interval. Soil response to climatic phases is recorded by rather dynamic pedofeatures: carbonate,gypsum and greyzemic properties, and the properties of the mollic horizon. Following climatic fluctuations, thesepedofeatures can appear and then be erased or transformed, evidenced by a multi-layered cutan complex withalternating clay and carbonate coatings. As a result, the surface soils of the study area are polygenetic andcombine features formed under steppe and forest environments. The alternating phases of forest and steppepedogenesis throughout the entire Holocene, especially in the Late Holocene, when ancient tribes influenced thestudied areas, testifies against the decisive role of anthropogenic input in the formation of Chernozems.
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